An early 20th Century Swiss "hermetic" lever with automatic winding retailed by Tiffany in a shagreen covered case. Circular nickelled split three quarter plate 15 jewel keyless movement with going barrel. Plain cock with steel regulator, uncut balance with blue steel overcoil hairspring. Club foot lever escapement. Square metal dial signed "Tiffany & Co" for the retailer. Luminous Arabic numerals and hands. Rectangular chromed case, sliding shells covered in red shagreen. These shells slide apart to reveal the dial of watch and as they are opened and closed the watch is wound. Small hinged easel stand, the watch can also be wound and set by the crown.